As promised, pulled some data on rigs and modules from EVE that have upsides and downsides that could be converted over to Dust terms. Really only for inspiration, but enough to help think of some ideas. If you're not familiar with how capacitor works in EVE, probably the rough translation into Dust terms would be:

Cap Capacity = Active Module Duration
Cap Recharge = Active Module Cooldown

This is a GROSSLY simplified translation, but Dust in general is grossly simplified compared to EVE anyways. Also note that there are a few other Rigs/modules out there that don't really translate into Dust terms for vehicles (lock times, ECM, ect.) so I didn't include them.

Rigs
Armor
Increased Resistance - Decreased Max Velocity
Increased Armor Repair - Increase PG Cost
Increased Armor HP - Decreased Max Velocity

Shield
Increased resistance - Increased Signature
Decreased Cap Use - Increased Signature
Increased Shield HP - Increased Signature
Increased Shield Regen - Increased Signature
Increased Shield Booster - Increased Signature

Astronautics
Increased Max Velocity - Decreased Armor HP
Increased Cargo capacity - Decreased Armor HP
Decreased Afterburner Cap Cost - Decreased Armor HP
Increased Afterburner Duration - Decreased Armor HP
Increased Ship Agility - Decreased Armor HP
Increased Velocity and Agility - Decreased Armor HP

Engineering
Increased Powergrid - No Downside
Decreased Powergrid Use - No Downside
Increase Cap Recharge Rate - No Downside
Increased CPU - No Downside
Decreased CPU Usage - No Downside
Increased Capacitor - No Downside

Turrets
Decrease CPU Cost - Increased PG Cost
Increased Falloff Range - Increased PG Cost
Increased Fire Rate - Increased PG Cost
Increased Damage - Increased PG Cost
Decreased Cap Usage - Increased PG Cost
Increased Optimal Range - Increase PG Cost
Increased Tracking Speed - Increased PG Cost

Missiles
Increased Fire Rate - Increased CPU Cost
Increased Velocity - Increased CPU Cost
Increased Flight Time - Increase CPU Cost
Increased Damage - Increased CPU Cost
Decreased Explosion Radius (This is actually a good thing in EVE ^_^) - Increased CPU cost



Modules
Increase Cap Recharge Rate - Increased Cap Capacity
Increased Cap Recharge Rate- Increased Shield Boosting
Increased Armor HP - Decreased Agility and Speed
Increased Cargo capacity - Decreased Speed
Increased Agility - Decreased Armor HP
Increased Speed - Decreased Cargo Capacity
Increased Shield Recharge - Decreased Shield HP
Increased Shield HP - Increased Signature

Translating to DUST is quite easy with rigs.

All you have to do for vehicles is add in rig slots, so 1 for a LAV, 2 for DS and 3 for a HAV.

The problem is capacitors and if they are not going to be added with the vehicle shake up then they will never be added for PS3 at least, maybe if Legion ever gets greenlit but even then that is a long shot.

Rigs are pure passive, so if its on the suit or the vehicle the stats applied are the same.

The one problem pilots have is that the suit can be fitted up and the vehicle can be fitted up but they will be fitted up seperately and because the pilot suit works in tandem with the vehicle then on a fitting screen we would need a way to apply the fitted pilot suit with the fitted vehicle to get a full overview of the stats.

A possible way is to split up rigs between the pilot suit and the vehicle, so the vehicle gets the HP mods and the suit has the EWAR mods for an example but still the problem is seeing the pilot suit and the vehicle stats together without the need for getting out the calculator.

If i put PG/CPU mods on my pilot suit that is a valid fit i can deploy it but if it is for a vehicle which is invalid due to lack of CPU/PG then i cannot deploy it thus it is useless to me.